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Finding the Fourth Proportional to 69,835.58, 96,375.29 and 39,622.17

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Solution

The fourth proportional to 69,835.58, 96,375.29 and 39,622.17 is: 54,679.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,835.58 : 96,375.29 = 39,622.17 : x
  2. Step 2: Convert to fraction form
    69,835.58/96,375.29 = 39,622.17/x
  3. Step 3: Cross multiply
    69,835.58x = 96,375.29 × 39,622.17
  4. Step 4: Simplify right side
    69,835.58x = 3,818,598,287.48
  5. Step 5: Solve for x
    x = 3,818,598,287.48/69,835.58
  6. Step 6: Final answer
    x = 54,679.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.